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package CouchDB::Estraier; |
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|
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use strict; |
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use warnings; |
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|
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our $VERSION = '0.01'; |
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|
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use Search::Estraier; |
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use Data::Dump qw/dump/; |
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use Getopt::Long; |
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use JSON; |
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#use IO::Handle; |
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use IO::File; |
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|
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=head1 NAME |
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|
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CouchDB::Estraier - Hyper Estraier full-text search for CouchDB |
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|
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=head1 METHODS |
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|
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=cut |
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|
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our $c = { |
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node_url => 'http://localhost:1978/node/', |
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estuser => 'admin', |
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estpasswd => 'admin', |
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debug => 0, |
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}; |
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|
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my $log = $0; |
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$log =~ s{^.*/([^/]+)(\.\w+)$}{/tmp/$1.log} or die "can't generate log name from $0"; |
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|
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warn "$0 log $log\n"; |
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|
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GetOptions($c, qw/node_url=s debug+ estuser=s estpasswd=s dbuser=s dbpasswd=s/) or die $!; |
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|
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#my $log = IO::Handle->new; |
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#my $log = IO::Handle->new_from_fd(\*STDERR, 'w'); |
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|
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$log = IO::File->new( "> $log" ) || die "can't open $log: $!"; |
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|
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$log->autoflush( 1 ); |
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$log->print("c: ", dump($c), "\n" ); # if $c->{debug}; |
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|
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my $in = IO::Handle->new_from_fd(\*STDIN, 'r'); |
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my $out = IO::Handle->new_from_fd(\*STDOUT, 'w'); |
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$out->autoflush( 1 ); |
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|
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=head2 run_search |
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|
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Process command line options and start helper |
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|
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CouchDB::Estraier->run; |
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|
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=cut |
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|
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sub run_search { |
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while ( 1 ) { |
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$log->print("search ready\n"); |
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my $json = $in->getline; |
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die unless defined $json; |
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$log->print( "run_search $json\n" ); |
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$out->print( |
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encode_json( |
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search( decode_json( $json ) ) |
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) ,"\n" |
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); |
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} |
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} |
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|
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sub run_update { |
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while ( 1 ) { |
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$log->print("update ready\n"); |
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my $json = $in->getline; |
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die unless defined $json; |
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$log->print( "run_update $json\n" ); |
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update( decode_json( $json ) ) |
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} |
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} |
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|
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|
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=head2 update |
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|
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CouchDB::Estraier::update( { db => $database, type => $type } ); |
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|
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=cut |
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|
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sub update { |
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my $args = shift or die "no args"; |
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$log->print( "add ",dump( $args ),"\n" ); |
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|
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my $ret = { |
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code => 200, |
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json => { |
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args => $args, |
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}, |
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}; |
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|
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return $ret; |
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|
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my $database = $args->{db} or die "no db in ",dump( $args ); |
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my $data = $args->{data} or die "no data in ",dump( $args ); |
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|
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# create and configure node |
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my $node = new Search::Estraier::Node( |
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url => $c->{node_url} . $database, |
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user => $c->{estuser}, |
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passwd => $c->{estpasswd}, |
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croak_on_error => 1, |
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create => 1, |
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debug => $c->{debug} >= 4 ? 1 : 0, |
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); |
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|
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# create document |
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my $doc = new Search::Estraier::Document; |
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|
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if (my $id = $data->{_id}) { |
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$doc->add_attr('@uri', $id); |
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} else { |
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die "can't find pk_col column _id in results\n"; |
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} |
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|
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while (my ($col,$val) = each %{$data}) { |
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|
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if ( defined $val ) { |
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# add attributes (make column usable from attribute search) |
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$doc->add_attr($col, $val); |
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|
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# add body text to document (make it searchable using full-text index) |
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$doc->add_text($val); |
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} |
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|
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} |
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|
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$log->print("doc draft: ",$doc->dump_draft ) if ($c->{debug} >= 2); |
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|
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die "error: ", $node->status,"\n" unless (eval { $node->put_doc($doc) }); |
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|
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return $ret; |
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} |
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|
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=head2 search |
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|
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Implementation specification: L<http://wiki.apache.org/couchdb/FullTextSearch> |
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|
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CouchDB::Estraier::search( $database, $query ); |
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|
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=cut |
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|
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sub search { |
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my $args = shift or die "no args"; |
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$log->print( "search ",dump( $args ),"\n" ); |
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my $database = $args->{db} or die "no db in ",dump( $args ); |
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my $query = $args->{query} or die "no query in ",dump( $args ); |
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|
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# create and configure node |
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my $node = new Search::Estraier::Node( |
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url => $c->{node_url} . $database, |
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user => $c->{estuser}, |
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passwd => $c->{estpasswd}, |
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croak_on_error => 1, |
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# create => 1, |
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debug => $c->{debug} >= 4 ? 1 : 0, |
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); |
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|
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my $cond = new Search::Estraier::Condition; |
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$cond->set_phrase( $query ); |
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my $nres = $node->search($cond, 0); |
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|
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if ( defined($nres) ) { |
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|
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$out->print( "ok\n" ); |
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for my $i ( 0 ... $nres->doc_num - 1 ) { |
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my $rdoc = $nres->get_doc($i); |
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print $rdoc->attr('@uri'),"\n",$i,"\n"; |
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} |
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$out->print( "\n\n" ); |
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|
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} else { |
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$out->print( "error\n", $node->status, "\n" ); |
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} |
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|
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} |
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|
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|
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1; |